Which of the following is considered by ecologists a measure of the ability of a community either to resist change or to recover to its original state after change? a) stability b) succession c) partitioning d) productivity e) competitive exclusion

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Creating new things to solve problems and improve life depends on the close interaction of which two fields?